Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One third of the electricity produced on earth is used to power electric light bulbs!
75
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists aren't sure what color dinosaurs were.
312
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Sound travels about 4 times faster in water than in air.
408
Neanderthal man had a brain capacity 100cc larger than modern man's.
50